Question

The protein which resist the pollu beetle in black pepper

Answer 1

Crop Protection :: Pepper

Pollu beetle: Longitarsus nigripennis  

Symptoms of damage:Grub feeds on the growing tip, tender stem, leaf petiole, spikes and berry. Tunneling of tender stem causes drying up of the shoot.The portions of the spikes tunneled by grubs turn black and cause dropping of spikes due to the subsequent rotting.Grubs bore into the berries and feed on entire internal contents.Exit holes could be seen on dry berries.As a result of grub boring, the berries dry up and turn dark in colour.They are hollow and crumble when pressed.Such hollow berries are called ‘Pollu’ berries.

Leaf damage:

The adult beetles feed on all stages of the leaves. Most preferred one is tender leaves.Due to feeding irregular holes are seen. On mature leaves, the beetle scrapes the green matter leaving the layer of upper epidermis.